Home / 36,408,709.85-50,245,546.79-20,938,806.86

Finding the Fourth Proportional to 36,408,709.85, 50,245,546.79 and 20,938,806.86

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Solution

The fourth proportional to 36,408,709.85, 50,245,546.79 and 20,938,806.86 is: 28,896,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408,709.85 : 50,245,546.79 = 20,938,806.86 : x
  2. Step 2: Convert to fraction form
    36,408,709.85/50,245,546.79 = 20,938,806.86/x
  3. Step 3: Cross multiply
    36,408,709.85x = 50,245,546.79 × 20,938,806.86
  4. Step 4: Simplify right side
    36,408,709.85x = 1,052,081,799,612,022.25
  5. Step 5: Solve for x
    x = 1,052,081,799,612,022.25/36,408,709.85
  6. Step 6: Final answer
    x = 28,896,431.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.